Every family's history holds its secrets, for good and for bad.

For comedian Chelsea Handler, the biggest questions lay with the fact that her maternal grandfather fought for the Nazi regime in World War II.

In a new episode of TLC's Who Do You Think You Are, Handler, 38, discovers exactly what role her grandfather, Karl Stoecker, played in one of history's most atrocious genocides.

Chelsea Handler Calls Our President a "Cheeto-Faced Nazi." Turns out her Grandfather was an ACTUAL BROWNSHIRT